# diable auto newline
# abc 123False
print('abc', end=" ")
print(123, end='')
print(False, end='''''')
print()

# 也有 格式化占位符
# % 操作符
print("100 + 200 = %d" % 300)   # 100 + 200 = 300
print("A的小写是%s" % "a")       # A的小写是a

# 多个，看起来像是 元组，但不是
print("%d + %d = %d" % (100, 100,200))
print("%s %s" % ("world","hello"))

print('hello " world')
# hello " world

print('hello '' world')
# hello  world

# print('hello '2' world')
# fault

print('hello "" world')
# hello "" world

print('hello "2" world')
# hello "2" world